C&D Valve Valve Core Depressor, Large Thumbscrew, Includes: Flow Control Back Seat and 1/4 Inch Male Flare Access Fitting
Large thumbscrew core depressor designed to be used on the end of a charging hose. When attached to an access fitting it depresses the valve core and controls the flow of gas. This also means the core can be shut-off before disconnecting thus avoiding a split back on your hand.